參數(shù)資料
型號： ADS8482IB
英文描述： 18-BIT, 1-MSPS, PSEUDO-BIPOLAR, FULLY DIFFERENTIAL INPUT, MICROPOWER SAMPLING ANALOG-TO-DIGITAL CONVERTER WITH PARALLEL INTERFACE, REFERENCE
中文描述： 18位，1 MSPS的，偽雙極，全差分輸入，微采樣模擬到數(shù)字轉(zhuǎn)換并行接口，參考
文件頁數(shù)： 3/31頁
文件大?。?/td> 647K
代理商： ADS8482IB
www.ti.com
SPECIFICATIONS
T
A
= –40
°
C to 85
°
C, +VA = 5 V, +VBD = 3 V or 5 V, V
ref
= 4.096 V, f
SAMPLE
= 1 MSPS (unless otherwise noted)
ADS8482
SLAS386A–JULY 2005–REVISED JUNE 2006
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
ANALOG INPUT
Full-scale input voltage
(1)
+IN – (–IN)
–V
ref
–0.2
V
ref
V
+IN
V
ref
+ 0.2
V
ref
+ 0.2
(V
ref
)/2 + 0.2
Absolute input voltage
V
–IN
–0.2
Common-mode input range
(V
ref
)/2 – 0.2
(V
ref
)/2
V
Input capacitance
65
pF
Input leakage current
1
nA
SYSTEM PERFORMANCE
Resolution
18
Bits
ADS8482I
18
No missing codes
Bits
ADS8482IB
18
ADS8482I
–4
±
1.2
±
1.2
4
LSB
Integral linearity
(2)
(18 bit)
(3)
ADS8482IB
–2.5
2.5
ADS8482I
–1
–0.6/0.75
1.5
LSB
(18 bit)
Differential linearity
ADS8482IB
–1
–0.6/0.75
1.5
ADS8482I
–0.5
±
0.05
±
0.05
±
0.05
±
0.05
±
0.035
±
0.035
±
0.5
±
0.5
0.5
Offset error
(4)
mV
ADS8482IB
–0.5
0.5
ADS8482I
Offset error temperature drift
ppm/
°
C
ADS8482IB
ADS8482I
V
ref
= 4.096 V
V
ref
= 4.096 V
–0.1
0.1
%FS
Gain error
(4)(5)
ADS8482IB
–0.1
0.1
%FS
ADS8482I
Gain error temperature drift
ppm/
°
C
ADS8482IB
At dc (
±
0.2 V around V
ref
/2)
+IN – (–IN) = 1 Vpp at 1 MHz
60
Common-mode rejection ratio
dB
55
Noise
25
μ
V RMS
dB
Power supply rejection ratio
At 1FFFFh output code
60
SAMPLING DYNAMICS
Conversion time
625
650
ns
Acquisition time
320
350
ns
Throughput rate
1
MHz
Aperture delay
4
ns
Aperture jitter
5
ps
Step response
150
ns
Over voltage recovery
150
ns
(1)
(2)
(3)
(4)
(5)
Ideal input span, does not include gain or offset error.
This is endpoint INL, not best fit.
LSB means least significant bit
Measured relative to an ideal full-scale input [+IN – (–IN)] of 8.192 V
This specification does not include the internal reference voltage error and drift.
3
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PDF描述
ADS8482IBRGZR 18-BIT, 1-MSPS, PSEUDO-BIPOLAR, FULLY DIFFERENTIAL INPUT, MICROPOWER SAMPLING ANALOG-TO-DIGITAL CONVERTER WITH PARALLEL INTERFACE, REFERENCE
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參數(shù)描述
ADS8482IBRGZR 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 18-Bit 1MSPS Parall ADC w/Ref RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
ADS8482IBRGZRG4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 18-Bit 1MSPS Parall ADC w/Ref RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
ADS8482IBRGZT 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 18-Bit 1MSPS Parall ADC w/Ref RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
ADS8482IBRGZTG4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 18-Bit 1MSPS Parall ADC w/Ref RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
ADS8482IRGZR 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 18-Bit 1MSPS Parall ADC w/Ref RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
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